Journal ArticleDOI
Remediation of arsenic-contaminated water using agricultural wastes as biosorbents
Muhammad Bilal Shakoor,Nabeel Khan Niazi,Nabeel Khan Niazi,Irshad Bibi,Irshad Bibi,Ghulam Murtaza,Anitha Kunhikrishnan,Balaji Seshadri,Muhammad Shahid,Shafaqat Ali,Nanthi Bolan,Yong Sik Ok,M. Abid,Fawad Ali +13 more
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TLDR
In this paper, a review of the use of various agricultural waste materials (e.g., sugarcane bagasse, peels of various fruits, wheat straw) as biosorbents for removing arsenic from contaminated water supplies is presented.Abstract:
Arsenic (As) contamination of groundwater reservoirs is a global environmental and health issue given to its toxic and carcinogenic nature. Over 170 million people have been affected by As due to the ingestion of As-contaminated groundwater. Conventional methods such as reverse osmosis, ion exchange, and electrodialysis are commonly used for the remediation of As-contaminated water; however, the high cost and sludge production put limitations on their application to remove As from water. This review critically addresses the use of various agricultural waste materials (e.g., sugarcane bagasse, peels of various fruits, wheat straw) as biosorbents, thereby offering an eco-friendly and low-cost solution for the removal of As from contaminated water supplies. The effect of solution chemistry such as solution pH, cations, anions, organic ligands, and various other factors (e.g., temperature, contact time, sorbent dose) on As biosorption, and safe disposal methods for As-loaded biosorbents to reduce seco...read more
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Journal ArticleDOI
A comparison of technologies for remediation of heavy metal contaminated soils
TL;DR: In this article, a review of the current status of technology deployment and recommendations for future remediation research is presented. And the authors also elucidate and compare the available technologies that are currently being applied for remediation of heavy metal(loid) contaminated soils, as well as the economic aspect of soil remediation for different techniques.
Journal ArticleDOI
Arsenic uptake, toxicity, detoxification, and speciation in plants : physiological, biochemical, and molecular aspects
Ghulam Abbas,Behzad Murtaza,Irshad Bibi,Irshad Bibi,Muhammad Shahid,Nabeel Khan Niazi,Nabeel Khan Niazi,Nabeel Khan Niazi,Muhammad Imran Khan,Muhammad Amjad,Munawar Hussain,Natasha +11 more
TL;DR: This review highlights the importance of the As-induced generation of reactive oxygen species (ROS) as well as their damaging impacts on plants at biochemical, genetic, and molecular levels.
Journal ArticleDOI
Wood-based biochar for the removal of potentially toxic elements in water and wastewater: a critical review
Sabry M. Shaheen,Sabry M. Shaheen,Nabeel Khan Niazi,Nabeel Khan Niazi,Noha E.E. Hassan,Irshad Bibi,Irshad Bibi,Hailong Wang,Daniel C.W. Tsang,Yong Sik Ok,Nanthi Bolan,Jörg Rinklebe,Jörg Rinklebe +12 more
TL;DR: In this paper, the potential use of wood-based biochar (WB) for the removal of potentially toxic elements (PTEs) from water and wastewater has been discussed, and a review demonstrates the overarching scientific opportunities for a comprehensive understanding of using WB as an emerging biosorbent and a promising low-cost and effective material for the remediation of contaminated water.
Journal ArticleDOI
Arsenic removal by perilla leaf biochar in aqueous solutions and groundwater: An integrated spectroscopic and microscopic examination.
Nabeel Khan Niazi,Nabeel Khan Niazi,Nabeel Khan Niazi,Irshad Bibi,Muhammad Shahid,Yong Sik Ok,Edward D Burton,Hailong Wang,Sabry M. Shaheen,Jörg Rinklebe,Andreas Luttge +10 more
TL;DR: It is highlighted that perilla leaf biochars, notably BC700, possessed the greatest ability to remove As from solution and groundwater (drinking water) despite in the presence of co-occurring anions with the highest levels of As removal observed for BC700.
Journal ArticleDOI
A critical review of selenium biogeochemical behavior in soil-plant system with an inference to human health.
Natasha,Muhammad Shahid,Nabeel Khan Niazi,Nabeel Khan Niazi,Nabeel Khan Niazi,Sana Khalid,Behzad Murtaza,Irshad Bibi,Muhammad Rashid +8 more
TL;DR: This review traces a plausible link among Se levels, sources, speciation, bioavailability, and effect of soil chemical properties on selenium bioavailability/speciation in soil; role of different protein transporters in soil-root-shoot transfer of Se; and the potential role of Se in different human disorders/diseases.
References
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Journal ArticleDOI
A review of the source, behaviour and distribution of arsenic in natural waters
TL;DR: The scale of the problem in terms of population exposed to high As concentrations is greatest in the Bengal Basin with more than 40 million people drinking water containing ‘excessive’ As as mentioned in this paper.
Journal Article
WHO guidelines for drinking-water quality.
H G Gorchev,G Ozolins +1 more
TL;DR: In soil, fertilizers containing inorganic nitrogen and wastes containing organic nitrogen are first decomposed to give ammonia, which is then oxidized to nitrite and nitrate, which are taken up by plants and used in the synthesis of organic nitrogenous compounds.
Journal ArticleDOI
Arsenic removal from water/wastewater using adsorbents—A critical review
Dinesh Mohan,Charles U. Pittman +1 more
TL;DR: Strong acids and bases seem to be the best desorbing agents to produce arsenic concentrates, and some commercial adsorbents which include resins, gels, silica, treated silica tested for arsenic removal come out to be superior.
Journal ArticleDOI
Biochar as a sorbent for contaminant management in soil and water: a review.
Mahtab Ahmad,Anushka Upamali Rajapaksha,Jung Eun Lim,Ming Zhang,Nanthi Bolan,Dinesh Mohan,Meththika Vithanage,Sang Soo Lee,Yong Sik Ok,Yong Sik Ok,Yong Sik Ok +10 more
TL;DR: Due to complexity of soil-water system in nature, the effectiveness of biochars on remediation of various organic/inorganic contaminants is still uncertain.
Journal ArticleDOI
Low-cost adsorbents for heavy metals uptake from contaminated water: a review.
TL;DR: The technical feasibility of various low-cost adsorbents for heavy metal removal from contaminated water has been reviewed and it is evident from the literature survey of about 100 papers that low- cost adsorbent have demonstrated outstanding removal capabilities for certain metal ions as compared to activated carbon.
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